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40 Water St., BOSTON, MASS, 


For any further informa.tion ; for a descriptive 
pamphlet; for a sample of our product; 
a blue print illustrating methods of applying! 
Mason Safety Tread ; or for a blue print 1 
showing details of the Mason Safety Side- 1 
walk Light. J* > J J> J» J* * 


For the ii 

Tread, we issue this special 
when the merits of that device are known its use will 
become well-nigh universal. During the two years since 
its introduction in this country it has rapidly gained in 
favor as a building accessory, and as a means of repairing 
the stairways of old buildings, the smooth borders of side- 
walk lights, inclined passages, etc., giving a secure foothold 
wherever used. It enables the builder to provide a per- 
manently safe stairway, as the Safety Tread will not wear 
hollow or shelving like wood, slate, or marble, and while 
having the durability of steel 

Will Not Become Slippery Like Iron. 

We confidently assert that an iron stairway covered with 
Mason Safety Tread in the manner customary among 
the best architects, is the most durable, the safest, and the 
most economical form of stair construction for a mercantile 
or office building, factory or warehouse, school house or 
other public building. We are prepared to maintain this 
not only by reason but by experience, and to support it 
by the endorsement of a goodly number of architects 
whose names will be at once recognized as among the 
most eminent in the profession. 

In Boston, the headquarters of- the American Mason 
Safety Tread Co., this protective device has proved so 
acceptable that not only are hundreds of stores and mer- 
cantile buildings provided with it upon stairs and sidewalk 
lights, but a large majority of the buildings now in pro- 
cess of erection or designing have Mason Tread specified 
by the architects, who recognize the advantage of its use. 


How it is Applied to Stairs. 
The usual method of application is to have the iroi 
treads cast with a rebate or sinkage extending to withil 
three inches of either end, and from six to ten inches frort 
the extreme front edge toward the riser. In this sinkagi 
the Safety Tread is firmly attached with 
a level surface for the entire -: 

the V grooves, in which all dust or dirt settles and I 
easily swept out. The portion of the tread not coverec 
with our material may be quadrilled or grooved accordinj 
to the taste of the architect. The use of the Safetj 
Tread with nosing to lap over the edge is optional. Wc 
recommend in most cases the six-inch width withoul 

Progressive architects have heretofore been largely pre- 
cluded from the use of iron stairs by the fact that the 
treads soon become polished by wear, and are extremely 
dangerous. Marble and slate have been used as substi- 
tutes where a fireproof substance is required, but in addi- 
tion to the danger of slipping on these materials it is well 
known that they become hollowed and shelving to such an 
extent that they are unfit for use in a few vears in a busy 
place. The Mason Tread overcomes this difficulty, as 

It Does Away with all Objection to the Use of Iron, 
and enables the construct 
stairway of the greatest c 
protective appliance known. 

The Mason Safety Tread consists of a base of hard 
rolled steel, from which rise ribs forming dovetail grooves 
at intervals of about one-quarter of an inch. This quarter- 
inch space contains a V groove extending half way to the 
bottom of the metal. The dovetail grooves are filled with 
lead solidly rolled in and firmly held. The great durability 
of the Safety Tread is due to the firmness of the steel ribs, 
which take the wear; its quality ol safel 


Why We Call it " Unwearable." 
To prove the extreme durability of the M 
Tread we need only mention one notable instance among 
I of the Brooklyn 

Bridge, who made their first trial of the M 
Tread over two years ago, soon adopted it for all the 
stairways of that great structure, and now use no other 
covering. This furnishes the severest test possible to be 
given, as these stairs are constantly in use, and official 

week, and the treads are still in good condition. 

With such an object lesson as this before us, we can 
declare with confidence that when subjected to ordinary 
conditions of travel, Mason Safety Tread upon a stair- 
way will outlast the building in which it is used. The use 
Safety Tread upon the stairs and platforms 
Subway is a high testimonial to its merit 
from men of the highest professional attainments and 
10 investigated thoroughly before selecting 
it for this use, and the completed work justifies their con- 
In the following pages we call attention to some of the 
work specified by architects, to illustrate the character of 
buildings in which the Mason Safety Tread is found most 
desirable by those who have become familiar with its use. 


I -lit stations on the 

i here is an average of 33 iron steps and two 
landings or platforms. Upon these stairs Mason Safety 
Tread was applied, in a sinkage cast for the purpose, 14 
feet long by 7 1-2 inches wide; upon the landings the 
material used is from 15 inches to 3 feet S inches wide. 
1- been completed and in use since Septem- 
ber 1S97. ( Wheelwright & Haven, architects.) 


Tread 7 1-2 inches wide, attached to -upports embedde 
n granolithic. ( Howard A. Carson, chief engineer.) 

Subway Stations, Adams Square and S 
Iron treads to be covered with Mason Safety Treat 
( Charles Brigham, architect.) 

Elevated Stations. The successful design for statior, 
of the Boston Elevated Railroad has Mason Safety Trea 
specified for use upon the stairways, experience havin 
shown its great value for use where the traffic is constan 
( A. W. Longfellow, Jr., architect.) 

Ventilating Gratings. At various places along the lin 
of the Subway ventilating shafts are arranged. These at 
covered with steel gratings with half-inch I 
capped with a strip of Mason Safety Tread of the san; 
width. ( Howard A. Carson, chief engineer.) 

New Vork and Brooklyn Bridge. The 34 main stai 
ways of this structure are of wood, and all are protecte 
by the use of Mason Safety Tread 7 1-2 inches wid 
placed upon the surface. This work has given thoroug 
satisfaction, and every stairway added is promptly equippe 
with the same material. ( C. C. Martin, chief engine, 
and superintendent.) 

Granolithic Sidewalk at State House Grounds, for tf 
Commonwealth of Massachusetts. About 1200 squa 
feet of artificial stone sidewalk covering an incline at 
two curved entrances on Bowdoin Street, was laid wi 
wo-inch strips of Mason Safety Tread embedded 
short intervals in the plastic material. The walk is thi 
rendered safe in all conditions of weather. ( E. W. Bff 
ditch, landscape architect.) 

New Head House, South Eerry, City of Boston. T 
thorough satisfaction given by the Mason Safety Tre 
used as repair material on the old ferry houses and fer 
boats has led to its adoption for use upon the wood, 
stairs and inclined surfaces of a large new feny hou 


State Lunatic Asylum. Worcester, Mass., S-5,000. Eight 
iron stairways to be covered with Mason Safety Tread. 
(Fuller, Delano & Frost, architects.) 

State Hospital for the Insane, Acute Building, 209 x 30, 
$70,000, Westboro, Mass. Iron stairs to be coi-ered with 
Mason Safety Tread. (Kendall, Taylor & Stevens, archi- 

Boston City Hospital, new Laundry building, Albany 
Street. Nine nights iron stairs, to be covered with Mason 
Safety Tread. (Wheelwright & Haven, architects.) 

Cambridge City Hospital. Iron stairs, to be covered 
with Mason Safety Tread. (Wheelwright & Haven, archi- 

Also repairs covering stairways in Boston City Hospital, 
Carney Hospital, St. Elizabeth's Hospital, and Emergency 


Southern Terminal Station, Boston. This great railroad 
terminal, which will be the largest as well a- : 
stantial and beautiful in the world, equipped with every 
known provision for the safety and convenience of the 
traveling public, will have its twenty or more iron stair- 
ways and numerous platforms covered with 
Tread, requiring over 2000 square feet of the material. 
(Shepley, Rutan & Coolidge, architects.) 

Dartmouth Street, Boston. Boston & Providence Rail- 
road. All iron stairs and platforms to be covered with 
Mason Safety Tread. (Shepley, Rutan & Coolidge, archi- 

- ;irs of iron, tread-- to be 
covered with Mason Safety Tread. (Walker & Kimball, 
Boston, architects.) 

Also platform border in Illinois Central Railroad sta- 
tion, Chicago; stairway and vestibule at Grand Central 


The use of the Mason Safety Tread is especially 
desirable in buildings for school purposes, where the wear 
upon the stair is so constant. Those familiar with 
the condition of the school houses in our larger cities 
know that in n lirs are, if of iron, worn 

to a dangerous polish; if of wood, marble or slate, worn 
in hollows far below the original surface and shelving 
at the edge. The Mason Safety Tread has been used in 
many places for repairs on such stairs, and architects are 
now placing it in many new buildings. This use of the 
Safety Tread has been cordially approved by Prof. Francis 
W. Chandler, head of the Department of An 
the Massachusetts Institute of Technology, and, as Con. 
suiting Architect for the City of Boston, for the several 
new school houses now building for the city. We are 
pleased to be able to refer also to the reports of public 
officials contained in our catalogue, for other endorsements 
of this use of our product. 

tts Institute of Technology. N 
on Trinity Place, Boston ($130,000). Eight flights of iron 
stairs and landings to be covered with Mason Safetv 
Tread. (Eleazer B. Homer, architect.) 

Paul Revere School, City of Boston. Iron stairs , 
throughout to be covered with Mason Safety Tread. 
(Peabody & Stearns, architects.) 

West Roxbury High School, City of Boston. 
to be covered with Mason Safety Tread. (Andrews, 
Jaques & Rantoul, architects.) 

We have received advices from Mr. John Lyman Faxon, 
Mr. Herbert D. Hale, and Messrs. Hartwell, Richardson 
& Driver, architects, that they will soon make use of the 

Tread in school houses foi 
Boston, for which they now have commissi'-. 

>i hool. 


i ,, Mass. Three stori. 

Six flights iron stairs, to be covered with Mason Safety 
Tread. (Tristram Griffin, architect.) 

Brayton Avenue Grammar School, Fall River. Mas,. 

( §30,000.) Twelve flights wood stairs, to be recessed fur 

ifety Tread (A. M. Marble, architect.) 

, Douglas, Mass. Eight rooms 1 $15,000.) 
Three flights wood stairs, to be recessed for Mason Safety 
Tread. (Clarence 1'. Hoyt, architect.) 

Thayer Grammar, Federal Street and Willow Street 
School Houses, Providence, R. I. Twenty flights wooden 
stairs, heavy plank in many instances worn half-way 
through, repaired with id <i.\ inches 

wide, and are now in perfect condition. ( A. T. Mansfield, 
superintendent public buildings department. ) 


Masonic Temple, corner Tremont and Boylston Street-. 
Boston. Nine stories, Si x 109. ($500,000.) For the use 
of the fraternity, and to lie partialh occupied by stores and 
offices. Eighteen flights iron stairs and numerous land- 
ings, to be covered with Mason Safety Tread. (Loring eS: 
Philips, architects.) 

Mercantile Building, corner Beach and Utica Streets. 
Boston Real Estate Trust, owner. Fireproof construc- 
tion. Twelve flights iron stairs and all thresholds to W 
covered with Mason Safety Tread. (Winslow & Wether- 
Mercantile Building, corner India and Sears Streets 
Boston. Stephen L. Bartlett estate, Hon. John V. Long, 
trustee. Five stories, fireproof construction, stores and 
warerooms (Bensdorp cocoa). Iron stairs to he covered 
with Mason Safety Tread. (Kendall, Taylor .V Steven- 


- Estate Building, corner of Chauncy and Avon 
Streets, Boston. Eight stories, 70.x no. To be occupied 

in, Marsh & Co., for retail furniture warerooms 
and other purposes. Twenty-four iron stairways, covered 
with Mason Safety Tread. ( Winslow & Wetherell, archi- 

Lowney Building. Commercial Street. Walter M. 
Lowney Co., owner. Large building for the manufacture 
of chocolate candies. Four iron stairways and all thresh- 
olds covered with Mason Safety Tread. (Dean & Main, 
mill engineers.) 

Tufts Building, Congress Street. Seven stories, fire- 
proof construction. James \V. Tufts, manufacturer of 
soda fountains. Factory and warerooms. Seventeen 
iron stairs, covered with Mason Safety Tread. 
(Rand & Taylor, Kendall & Stevens.) 

Mercantile Building, corner India Street and Atlantic 

Avenue, Ale.v. S. Porter, trustee. Brick, $100,000. Stores 

and lofts. Nine flights of iron stairs to be covered with 

tj Tread. (Charles E. Park, architect.) 

i Building, corner Atlantic Avenue and Congress 

Street. Boston Real Estate Trust, owner. Seven storie>, 

fireproof construction, Boston Woven Hose 

and Rubber Co. Offices and warerooms. All entrances and 

thresholds covered with Mason Safety Tread. (Peabody 


Pavilion and Albion Buildings, corner Tremont and 

Nine stories, fireproof construction. 

Occupied by Houghton & Dutton, one of the largest 

department stores in New England. Twenty wide stair- 

: >ron recessed for Mason Safety Tread. Portion 

ivered finished with grooves in imitation of same. 

reel. Boston Real Estate 

Trust, owner. Seven stories, fireproof construction. 

Occupied by American Type Founders Co. Seven (lights 

. .mm, Mason Safety Tread. (Rand & 

Taylor, K< 1 dall & Stevens.) 

10 l ill: 1/ l v'M SAFETY TREAD. 

Building, corner Milk and I', arl Sti ets. Ten 
stories, $300,000. Banking rooms 
iron stairs covered with Mason Safety Treai 
Alice Build 
owner. Seven stories, $150,000. Fireproof construction. 
Stores and offices. Eighteen fligl 
with Mason Safety Tn 

Kent Building, 1 01 111 1 Kilby an I 
Large office building. Seven flights of iron 
covered with M 
erell, archit 

flights iron stairs covered with Mason 
I Blackall, architect.) 
Brookline Savings Bank, Brookline, Mass. [ron stairs 
covered with M 

Besse Building, Springfield, Mass. L. W. Bi ss< . owm 1 
in . 
with Mason Safety Tread. 


quently used, but by the use ol Mason Safetj Treai 
architects may now with advantaj 

lower cost ornamental many are specj 

- for both iron and wood treads. We mentioi 

the following from among the work specified foi this das- 

Apartment House, cor. Salem Street ami Bartletl Place 
1 i.\ Leibman, owner. 
Mights iron -tairsand foui entran 
M., <!„f.t., T , ,,,,,.... , .. , 




Under this head we mention a few from the very large 
number of buildings where the Mason Safety Tread has 
been used lo protect stairways of wood, slate, marble, and 
iron. It is the only material with which satisfactory and 
durable repairs can be made upon worn stairways. We 
have never made a business of seeking testimonials, but 
we are able to refer to the reports of public officials 
expressing their entire satisfaction with the Safety Tread ; 
to the fact that the agents or trustees of many of the 
largest estates in Boston use it liberally in the protection 
of the property under their care ; and to the fact that in 
a very large number of instances where the material has 
been used in stores, repeated orders have been received. 
We invite inspection of our work at any of the following 

City Hall, Boston. Large platform ( loo square feet) 
covered, and eleven wide flights of iron stairs, covered to 
a width of 9 1-2 inches. These stairs were fluted or 
ribbed, but had become so smooth by wear that many 
accidents occurred, and several people received serious 
injuries. Since the repairs no trouble has been experienced 
from slipping. The work was done by order of Mayor 
Josiah Quincy. 

Faneuil Hall and Quincy Markets, Boston. The granite 
steps and entrances to these buildings are covered with 
Mason Safety Tread, which not only protects the sur- 
faces from further wear, but prevents slipping in places 
formerly very dangerous. Heavj boxes and 
barrels are dropped from step to step without injury to the 
tread, and its non-slipping quality is retained even when 
covered with grease. ( George E. McKay, superintendent.) 

Jordan. Marsh & Co., retail dry goods, Washington 
Street, Boston. In this large store 72 wide iron treads 
in the "grand staircase," protected with rubber, many of 
them curved, were taken out for alteration in consequence 


of frequent accidents cause.! by the smoothness of the re- 
taining edge. This edge was planed off and the steps cov- 
ered with Mason Safety Tread to the depth of 7i inches, 
insuring protection to the extreme edge. Several other 
orders have been executed for this firm. 

R. 11 White & Co., Washington Street, Boston. Mar- 
ble landings recessed for Mason Tread, three flights wood- 
uul several additional orders. 

Shepard, Norwell & Co., retail dry goods, Temple 
Place, Boston. Main flight wooden stairs, curved front, 
covered with Mason Safety Tread with brass base ; also 
thresholds and other repairs. 

C. F. Hovey & Co., retail dry goods, 33 Summer Street, 
Boston. Entrances, stairways, and inclined passages in 
store. We have executed ten different orders for this firm 
in the past two years, showing that they are abundantly 
pleased with our work. 

1. A. Itearn, Sixth Avenue and Fourteenth Street, New 
York. Retail dry goods. All the wooden stairs in this 
large store, eight flights, badly worn, have been put 
in the best possible condition by placing Mason Safety 
Tread, 74 inches wide, in recesses cut in the front edge. 
(John B. Snook & Sons, architects, in charge.) 

Adams House, Washington Street, Boston. Marble and 
granite stairs covered with Mason Safety Tread. The 
same use has been made of this material in many other 
hotels. The stairs leading from office to lavatory and 
those from kitchen to dining room are most frequently 
found to need this protection. 

Boston Art Club, Dartmouth Street. Wide flight of 
winding iron stairs leading to Art Gallery worn to a danger- 
ous smoothness Perfectly protected by Mason Safety 
Tread. ( Geo. T. Tilden, architect.) 

Several flights of badly worn stairs have been leveled up 
and covered with Mason Safety Tread, in the National 
Capitol and Treasury Building at Washington, and in Gov- 
ernment buildings in other cities, including two flights of 


as in employes' 

: .-dents had occurred upon them before the 
. made. 


jrered with 

rr having caused several serious 

-. ^nd presented 

epairs were made by order of the 

Tjncan Land 

this building 

- e. Carpenter 

:arge number of iron 
: the building, worn smooth and 

te steps badly 


is sm ochness. 

elevated sta 

Lawrence and Salem, 
. use of the 

damages on account of 

i in Lawrence 

Atkinson, Pr ; - 


ty Tread has been largely used in repairing 

and protecting the exterior and interior 'stairs of churches". 

and has been found unobjectionable in every particular. 

We name especially St. Patrick's, St. James's, St. Stephen's, 

I hurch, and St. Augustine's in Boston, St. 

Safety Tread has been largely used upon 
wood, iron and stone. In churches which are constantly 
open for the devotions of the faithful and where frequent 
masses and other services are held, the entrances are 
subject to almost constant wear and require protection. 

We are informed by some of the largest church builders 
in New York and Boston that they are so well satisfied 
with the Mason Safety Tread as used in repair work, they 
will make liberal use of it in their specifications for churches 
now being designed for large cities throughout the country. 


In the larg 

e is no greater sourc 

e of danger 

to the pedes 

the coal hole cover 

, which are 

usually found to be w 

in to a dangerous 


tion of 

smoothness, a 

nd which frequentlv project an ii 

ch « 

r more 

above the w 

alk. We r 



Cover, in which the surface is protected witl 

nds of 

lead. This 1 

as proved 

a perfectly efficient c 


water-tight, a 

nd non-slii 

ping. Hundreds of 


, have 

been placed 

n the sidewalks of Bo 

g th 

e past 

d architec 

s specify their use. 



them both so 

dand illu. 

linaled, and furnish them 

n with 

These cove 

s have bee 

proved to be extrem 

:1 3 d 


and their advantage is pa 

rticul.ulv noticeable 

in .1 

i .,.' 

morning. A 

vill be 

made to orde 


We have devised a Safety Light with protected borders 
for covering Sidewalk Vaults. The frame is exceedingly 
strong, and its borders and intermediate bars are protected 
with strands of lead to render them non-slipping. We 
are thus enabled to make the percentage of glass surface 
very large, and concentrate a large amount of light in the 
space beneath. This method dispenses with all knobs or 
pegs, and gives a perfectly safe, level surface, which will 
prove extremely durable. 

Those who prefer can have the usual forms of sidewalk 
light frames cast with a sinkage in the border, in which to 
place the ordinary steel strips of Safety Tread. Nar- 
rower strips may be embedded in the cement to pro- 

Our method of setting the frames and the glasses guards 
carefully against leaks, and our Light is water-tight. 

The Mason Safety Sidewalk Light meet* with the 
approval of all the architects to whom it has been shown, 
and already has been specified for the following named 

Mercantile Building, for Boston Real Estate Trust, 
Beach and Utica Streets, Boston. ( Winslow & Wetherell, 

Mercantile Building for the S. S. Pierce Co., Dartmouth 
Street, Boston. ( Winslow & Wetherell, architects.) 

Mercantile Building, Oriental Tea Co., Court Street, 
Boston. Old Hyatt light replaced by the Mason Safety- 
Light to great advantage in every respect. 

Jewelers Building, corner Washington and Bromfield 

5ton. Borders of Dale lights provided with a 

sinkage in which four-inch strips of Safety Tread are 

attached. Strips also at junction of plates. ( Winslow & 

Wetherell, architects.) 


40 Water St., Boston, Hass. 


Post Building. Washington. D. C. 
1551 Marquette Building. Chicago, fll. 
1011 Chestnut St.. Room 682, Philadelphia, 
1005 Society for Savings, Cleveland, O. 

New York Safety Tread Co., 80 Greenwich St., New York. 


| M 






At least Seven of every Ten Public or Mercantile 
I Buildings being erected in Boston are equipped with 

i The Only Method of securing Permanent Protection 

[ to the Danger Point the Front Edge. 


Endorsed, Recommended, and Used I 
Prominent Architects.